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Actas de las Segundas Jornadas Imagen, Cultura y Tecnología celebradas entre el 1 y el 3 de julio de 2003 en la Universidad Carlos III de MadridPublicad

Attractive and repulsive interactions in the inelastic scattering of NO by Ar: A comparison between classical trajectory and close-coupling quantum mechanical results

The rotationally inelastic scattering of NO by Ar was studied on a potential energy surface at the collision energy of a high resolution experiment. The study entailed the calculationm of the state-resolved integral and differential cross sections for all the excited levels of NO in the lowest spin-orbit manifold. The quasiclassical approach was shown to satisfactorily reproduce few observations seen in both the experimental and quantum mechanical state-resolved differential cross-sections. © 2003 American Institute of PhysicsFunded by the Ministry of Science and Technology of Spain under Grants No. BQU2002-04627-C02 and No. REN 2000-1557, by the European Union through the RTN Reaction Dynamics ~HPRN-CT-1999-0007!, and by the U.S. National Science Foundation ~Grant No. CHE-9971810! The research was performed within the Unidad Asociada ‘‘Química Física Molecular’’ between the Universidad Complutense and the CSIC.Peer Reviewe

Effect of vibrational excitation on the reactivity of D+MuH(v=1)

ISMB2015, 28 junio al 3 de julio de 2015, Segovia (España); http://www.ucm.es/ismbPeer Reviewe

Les Coves de Santa Maira (Castell de Castells, La Marina Alta-Alacant):

Es presenta una descripció preliminar de la seqüència arqueològica de les Coves de Santa Maira (Castell de Castells). Els conjunts arqueològics i les datacions C 14 obtingudes indiquen que la cavitat registra ocupacions humanes estratificades entre el XIV i el VI mil·lenni BP, amb materials arqueològics que poden ser relacionats amb el magdalenià superior, epipaleolític sauvaterrià, mesolític i neolític II. Des d’aquest moment la cavitat es va fer servir, bàsicament, de corral per al tancament de ramat domèstic. Paraules clau: Cova. Magdalenià. Epipaleolític. Mesolític. Neolític. Marina Alta (Alacant).A preliminary description of the archaeological sequence of Les Coves de Santa Maira (Castell de Castells) is offered. Archaeological assemblies and obtained C 14 datings indicate that the cavity registers stratified human occupations between 14th and 6th millenium BP, with archaeological record that can be related to the Upper Magdalenian, Sauveterroid Epipaleolithic Period, Mesolithic and Neolithic II. Since this moment the cavity had a function, basically, of corral for the closing of domestic cattle. Key Words: Cave. Magdalenian. Epipaleolithic. Mesolithic. Neolithic. Marina Alta (province of Alicante).Se ofrece una descripción preliminar de la secuencia arqueológica de las Coves de Santa Maira (Castell de Castells). Los conjuntos arqueológicos y las dataciones C 14 obtenidas indican que la cavidad registra ocupaciones humanas estratificadas entre el XIVº y VIº milenio BP, con materiales arqueológicos que pueden ser relacionados con el Magdaleniense superior, Epipaleolítico sauveterroide, Mesolítico y Neolítico II. A partir de este momento la cavidad tuvo una función, básicamente, de corral para el cierre del ganado doméstico. Palabras Clave: Cueva. Magdaleniense. Epipaleolítico. Mesolítico. Neolítico. Marina Alta (Alicante)

Aproximación al uso de la materia colorante en la Cova de l’Or

Presentem un estudi sobre diversos utensilis neolítics relacionats amb matèries colorants de tons rogencs apareguts a la Cova de l’Or i depositats al Museu Arqueològic d’Alcoi i al de Prehistòria de València. La nostra base teòrica i els resultats obtinguts de les diferents analítiques ens han permés documentar diferents fases de la cadena operativa que culmina amb l’elaboració de pigments. Paraules clau: Cova de l’Or (Beniarrés, Alacant). Neolític Antic. Hematites. Cadena operativa. Pigment.This paper releases the study of several Neolithic remains related to red colouring materials from Cova de l’Or, currently placed in the Archaeological Museum of Alcoi and the Prehistorical Museum of Valencia. A theoretical review of the uses of colouring materials in Prehistory and the analytical results of several samples of colouring materials led us to deduce different steps of the chaîne opératoire which ends with the preparation of pigments. Key words: Cova de l’Or (Beniarrés, Alicante). Ancient Neolithic. Haematites. Chaîne Opératoire. Pigment.Presentamos un estudio sobre varios útiles neolíticos relacionados con materias colorantes de tonos rojos aparecidos en Cova de l’Or y depositados en el Museo Arqueológico de Alcoi y en el de Prehistoria de Valencia. La base teórica desde la que partimos y los resultados obtenidos de las diferentes analíticas nos han permitid documentar varias fases de la cadena operativa que culmina con la elaboración de pigmentos. Palabras clave: Cova de l’Or (Beniarrés, Alicante). Neolítico Antiguo. Hematites. Cadena operativa. Pigmento

Low-temperature rotational relaxation of CO in self-collisions and in-collisions with Ne and He

The low-temperature rotational relaxation of CO in self-collisions and in collisions with the rare-gas atoms Ne and He has been investigated in supersonic expansions with a combination of resonance-enhanced multiphoton ionization (REMPI) spectroscopy and time-of-flight techniques. For the REMPI detection of CO, a novel 2 + 1′ scheme has been employed through the A1 state of CO. From the measured data, average cross sections for rotational relaxation have been derived as a function of temperature in the range 5-100 K. For CO-Ne and CO-He, the relaxation cross sections grow, respectively, from values of ∼20 and 7 Å2 at 100 K to values of ∼65-70 and ∼20 A°2 in the 5-20 K temperature range. The cross section for the relaxation of CO-CO grows from a value close to 40 Å2 at 100 K to a maximum of 60 Å2 at 20 K and then decreases again to 40 Å2 at 5 K. These results are qualitatively similar to those obtained previously with the same technique for N2-N 2, N2-Ne, and N2-He collisions, although in the low-temperature range (T < 20 K) the CO relaxation cross sections are significantly larger than those for N2. Some discrepancies have been found between the present relaxation cross sections for CO-CO and CO-He and the values derived from electron-induced fluorescence experiments. © 2005 American Chemical Society.Financial support through the Ramón y Cajal program. Financial support from the EU Research Training Network “Reaction Dynamics”, Grant HPRNCT-1999-00007.Financial support from the Spanish Ministry of Education through the State Secretary of Education and University. Support from the Plan Andaluz de Investigación (Group FQM-205). Funding by the MEC of Spain under Grants FIS2004-00456 and BQU2002-04627-C02-02Peer Reviewe

Les ocupacions prehistòriques de la Cueva de la Diabla (Ayora, València).

La realització del parc eòlic de la Solana (Ayora) propicià una sèrie de sondejos arqueològics a la Cueva de la Diabla que permeteren identificar un nivell arqueològic prehistòric del Calcolític campaniforme-Bronze antic. L’estudi de la totalitat de les restes ens ha permès interpretar-les com a conseqüència d’ocupacions estacionals de la cova, no documentant cap evidencia d’enterraments humans. La casera d’animals salvatges que viuen en un medi escassament antropitzat també ha quedat constatada

El yacimiento de Colata (Montaverner, Valencia) y los 'poblados de silos' del IV milenio en las comarcas centro-meridionales del País Valenciano

Les estructures documentades al jaciment de Colata (Montaverner, València) mostren la parcialitat del registre que caracteritza aquest tipus de jaciment a l'aire lliure del IV mil·lenni aC, cosa que obliga a plantejar noves estratègies per a reinterpretar l¿evolució en les conductes d'emmagatzematge, consum i producció d'aliments, i en la organització social d'aquestes comunitats. Paraules'clau: Vall d'Albaida. Estructures excavades. Poblats de sitges. Patró d'assentament. Organització social

An Interpretable Rule Creation Method for Black-Box Models based on Surrogate Trees -- SRules

As artificial intelligence (AI) systems become increasingly integrated into critical decision-making processes, the need for transparent and interpretable models has become paramount. In this article we present a new ruleset creation method based on surrogate decision trees (SRules), designed to improve the interpretability of black-box machine learning models. SRules balances the accuracy, coverage, and interpretability of machine learning models by recursively creating surrogate interpretable decision tree models that approximate the decision boundaries of a complex model. We propose a systematic framework for generating concise and meaningful rules from these surrogate models, allowing stakeholders to understand and trust the AI system's decision-making process. Our approach not only provides interpretable rules, but also quantifies the confidence and coverage of these rules. The proposed model allows to adjust its parameters to counteract the lack of interpretability by precision and coverage by allowing a near perfect fit and high interpretability of some parts of the model . The results show that SRules improves on other state-of-the-art techniques and introduces the possibility of creating highly interpretable specific rules for specific sub-parts of the model